OpenTechnical

OT-2026-000060322

Publication integrity record

Foam pad vacuum gripper, two stage ejector, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000060322) never changes.

Identity and time

Publication numberOT-2026-000060322 · never reused
Internal UUID01a0ae8a-5a75-77aa-9029-56d3e16e49c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060322
StatusPUBLIC

Content hashes

Canonical text7e594032865b5c1086a524ec7d727910d764bddc218621f00ca4cf7551a0b25d
Markdowne30424524f2abbf52727e25bd0e0332dc38a9da74403552c2b5073cb45f3b782
PDF
Publication page4fcbd3d1d3fcb2076c5b1a35b74a86024b5081b261bea226952cc1903b70acda
Manifest7377987c39430a31490de04864240c6c4b84228e8861fff9fa9ba990d84d11f5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureCx5BlBv3M0462AvJnNP13F4pjpuhBiOlA6dDW8nMC9GxmTk2cMvBd9Y18uXIfogqabmlZx7W8V0FktsAEUD5DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:01.970984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060322
observed 4fcbd3d1d3fcb2076c5b1a35b74a8602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.952426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060322/manifest.json
observed 7377987c39430a31490de04864240c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.934582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060322/publication.md
observed e30424524f2abbf52727e25bd0e0332d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.917666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060322/publication.txt
observed 7e594032865b5c1086a524ec7d727910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.